Rare 18th c. silver plaque, hand-wrought, Thomas Hammersley (1727-1781) hallmark, in an early grape and leaf motif carved frame, 5 1/2″ x 5″, (provenance: Relics and Memorabilia of George Washington from the collection of W. Lanier Washington, American Art Galleries Auction, Feb. 22, 1920, Lot 75), 5″ x 4 1/2″ (sight), 8″ x 7 3/4″ (frame).